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This DVD looks at external barriers to microbial attack such as skin and mucus membranes and non-specific internal defenses such as macrophages, natural killer cells, and inflammatory response. It then delves into immune response including recognition of invaders by antibodies and T-cell receptors, destruction of invaders by antibodies and cytoxic T-cells, and immunity conferred by memory cells. Discussion of how vaccination works and current AIDS research concludes program.
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